diff options
Diffstat (limited to 'flashrom.c')
| -rw-r--r-- | flashrom.c | 41 |
1 files changed, 6 insertions, 35 deletions
@@ -2223,41 +2223,12 @@ int prepare_flash_access(struct flashctx *const flash, if (flash->chip->unlock) flash->chip->unlock(flash); - /* Switching to 4-Bytes Addressing mode if flash chip supports it */ - if(flash->chip->feature_bits & FEATURE_4BA_SUPPORT) { - /* Do not switch if chip is already in 4-bytes addressing mode */ - if (flash->chip->feature_bits & FEATURE_4BA_ONLY) { - msg_cdbg("Flash chip is already in 4-bytes addressing mode.\n"); - } - /* Do not switch to 4-Bytes Addressing mode if using Extended Address Register */ - else if(flash->chip->feature_bits & FEATURE_4BA_EXTENDED_ADDR_REG) { - msg_cdbg("Using 4-bytes addressing with extended address register.\n"); - } - /* Go to 4-Bytes Addressing mode if selected - operation requires 4-Bytes Addressing mode - (no need if functions are direct-4BA) */ - else if(((read_it || verify_it) - && (!(flash->chip->feature_bits & FEATURE_4BA_DIRECT_READ))) - || ((erase_it || write_it) - && ((flash->chip->feature_bits & FEATURE_4BA_ALL_DIRECT) != FEATURE_4BA_ALL_DIRECT))) { - - if (!flash->chip->four_bytes_addr_funcs.enter_4ba) { - msg_cerr("No function for Enter 4-bytes addressing mode for this flash chip.\n" - "Please report to flashrom@flashrom.org\n"); - return 1; - } - - if(flash->chip->four_bytes_addr_funcs.enter_4ba(flash)) { - msg_cerr("Switching to 4-bytes addressing mode failed!\n"); - return 1; - } - - msg_cdbg("Switched to 4-bytes addressing mode.\n"); - } - /* Do not switch to 4-Bytes Addressing mode if all instructions are direct-4BA - or if the flash chip is 4-Bytes Addressing Only and always in 4BA-mode */ - else { - msg_cdbg2("No need to switch to 4-bytes addressing mode.\n"); + /* Enable/disable 4-byte addressing mode if flash chip supports it */ + if ((flash->chip->feature_bits & FEATURE_4BA_SUPPORT) && + flash->chip->four_bytes_addr_funcs.set_4ba) { + if (flash->chip->four_bytes_addr_funcs.set_4ba(flash)) { + msg_cerr("Enabling/disabling 4-byte addressing mode failed!\n"); + return 1; } } |